package cn.edu.zafu.bigdata.x.yaojy;

public class Rectangle extends Shape{
    private double length;
    private  double width;

    public Rectangle(double length,double width){
        this.length = length;
        this.width = width;
    }

    public double area(){
        return length * width;
    };

    public  double perimeter(){
        return 2 * (length + width);
    }
}
